The 33mm Audemars Piguet Royal Oak 77321 houses the self-winding caliber 2240. Reference 77321ST.ZZ.D002CR.01 has a black dial and a matching alligator strap.
Movement Type
Automatic
Caliber
AP 2240Jewels
28
Reserve
40
Frequency
28800
Hands
Center Seconds
Shape
Other
Material
Stainless Steel
Glass
Sapphire
Thickness
10.40 mm
Diameter
33.00 mm
Water Resistance
50.00 m
Dial Color
Black
Material
Black
Buckle
Alligator
